The Town of Vienna in Fairfax County is leading the way on responsible outdoor lighting with its contracting of Clanton and Associates, LLC for the development of the town's new outdoor lighting zoning ordinance.
Check out Clanton and Associates' information boards at this link and scroll further down to find the recording of their public presentation on lighting ordinances and what real improved lighting design means.
Outdoor Lighting Regulations | Town of Vienna, VA
You can also find the presentation recording directly on Zoom.